Question

Roxann calculates the range of her number cards and finds that it is the same as the mode. What must the value of the missing card be? The numbers are 3, 4, 7, 6, and ___?

A) 3
B) 4
C) 5
D) 6

Answer 1

To find the missing card value, calculate the range and mode of the given number cards. The missing card value should be the mode, which in this case is a. 3.

Step-by-step explanation:

To find the missing card value, we need to first calculate the range and mode of the given number cards. The range is the difference between the smallest and largest values in a set of numbers, while the mode is the value that appears most frequently.

In this case, the range is 7 - 3 = 4 and the mode is either 3 or 4 since they both appear twice, which matches the calculated range. Since the missing card value should also be the mode, the answer is A) 3.